“I don’t think we’re there,” he told O’Hayer. “I think that we need a full and transparent and independent assessment of what level of interference there was by Russian intelligence services in the U.S. election. And overseers in Congress and any independent counsel or commission to do so should follow those facts wherever they lead.”

In an interview later Friday, he elaborated:

“I don’t think we have the information yet to draw that conclusion,” said Ossoff. “But we have very good reason for there to be a serious, independent transparent investigation and for Congress to do its due diligence on a bipartisan basis putting partisan politics aside to get to the truth.”

So did the House Majority PAC, a super PAC with ties to House Minority Leader Nancy Pelosi. The group said it will spend $700,000 in the race, including a $500,000 broadcast ad buy for new TV spots that will launch next week. The rest will go to an “unprecedented” get-out-the-vote effort that starts this weekend and will run through the June 20 runoff.

The race between Republican Karen Handel and Democrat Jon Ossoff is already the costliest U.S. House contest ever with a tally of more than $30 million that is only growing.

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Bloomberg News published an analysis ofa Republican super PAC that’s pouring millions of dollars of funding into the special elections in Montana and Georgia that found the group is being funded by tobacco giants, video game makers and other well-heeled donors.

The piece honed in on the Congressional Leadership Fund, the super PAC endorsed by House Speaker Paul Ryan that’s spent more than $5 million trying to thwart Democrat Jon Ossoff’s election in Georgia’s 6th District.

The most recent contributions to the Congressional Leadership Fund, known as CLF, also include an individual contribution of $1 million given last month by Steven A. Cohen, founder of the hedge-fund group SAC Capital Advisors, who now heads Point72 Asset Management. Most the Republican super PAC’s money, however, has come directly from company treasuries and from AAN, the super PAC’s nonprofit arm, which doesn’t disclose its donors.